That depends on what you mean by good. I have found the explorer to work well for such things, but IIRC, the output is not as clean as yours.
From: [hidden email]
] On Behalf Of laurent laffont [[hidden email]
Sent: Wednesday, February 23, 2011 2:56 AM
To: An open mailing list to discuss any topics related to an open-source Smalltalk
Subject: [Pharo-project] XML browser
As I haven't found something to browse XML the way I want, I've written a little tool: http://magaloma.blogspot.com/2011/02/xml-browser-with-pharo.html
If there's already a good tool please tell me.
Laurent Laffont - @lolgzs<http://twitter.com/#!/lolgzs
Pharo Smalltalk Screencasts: http://www.pharocasts.com/